* java/nio/MappedByteBuffer.java: (forceImpl, isLoadedImpl, loadImpl,

[pf3gnuchains/gcc-fork.git] / libjava / java / nio / MappedByteBuffer.java

diff --git a/libjava/java/nio/MappedByteBuffer.java b/libjava/java/nio/MappedByteBuffer.java
index 8f4b872..29b0453 100644 (file)
--- a/libjava/java/nio/MappedByteBuffer.java
+++ b/libjava/java/nio/MappedByteBuffer.java
@@ -44,28 +44,46 @@ package java.nio;
  */
 public abstract class MappedByteBuffer extends ByteBuffer
 {
-  private boolean loaded = false;
-  
   MappedByteBuffer (int capacity, int limit, int position, int mark)
   {
     super (capacity, limit, position, mark);
   }
   
+  void forceImpl()
+  {
+  }
+
   public final MappedByteBuffer force ()
   {
-    // FIXME: Flush to disk here.
+    forceImpl();
     return this;
   }
     
+  boolean isLoadedImpl()
+  {
+    load();
+    return true;
+  }
+
   public final boolean isLoaded ()
   {
-    return loaded;
+    return isLoadedImpl();
   }
     
+  void loadImpl()
+  {
+  }
+
   public final MappedByteBuffer load ()
   {
-    // FIXME: Try to load all pages into memory.
-    loaded = true;
+    loadImpl();
     return this;
   }
+
+  void unmapImpl ()
+  {
+    forceImpl();
+  }
+
+  public void finalize () { unmapImpl(); }
 }